MATERIAL SAFETY DATA SHEET
1Naphthyl isocyanate
Section 1 Chemical Product and Company Identification
MSDS Name: 1Naphthyl isocyanate
Catalog 415410000, 415410050, 415410250, AC 41541, AC41541DA, AC41541EA,
Numbers: AC41541EE, AC41541ZZ
Synonyms:
Company Identification: Acros Organics BVBA
Janssen Pharmaceuticalaan 3a
2440 Geel, Belgium
Company Identification: (USA) Acros Organics
One Reagent Lane
Fair Lawn, NJ 07410
For information in the US, call: 800ACROS01
For information in Europe, call: +32 14 57 52 11
Emergency Number, Europe: +32 14 57 52 99
Emergency Number US: 2017967100
CHEMTREC Phone Number, US: 8004249300
CHEMTREC Phone Number, Europe: 7035273887
Section 2 Composition, Information on Ingredients
CAS# Chemical Name: % EINECS#
86840 1Naphthyl isocyanate 99% 2017037
Hazard Symbols: XN
Risk Phrases: 20/21/22 36/37/38 42
Section 3 Hazards Identification
EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and
skin. May cause sensitization by inhalation.
Potential Health Effects
Eye: Causes eye irritation. Lachrymator (substance which increases the flow of tears).
Skin: Causes skin irritation. Harmful if absorbed through the skin.
Ingestion: Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation: Harmful if inhaled. Causes respiratory tract irritation. May cause respiratory sensitization.
Chronic:
Section 4 First Aid Measures
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper
and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing
contaminated clothing and shoes.
Ingestion: Get medical aid. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give
artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to
Treat symptomatically and supportively.
Physician:
Section 5 Fire Fighting Measures
General As in any fire, wear a selfcontained breathing apparatus in pressuredemand,
Information: MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing
Use water spray, dry chemical, carbon dioxide, or chemical foam.
Media:
Section 6 Accidental Release Measures
General
Use proper personal protective equipment as indicated in Section 8.
Information:
Spills/Leaks: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in
suitable container. Do not let this chemical enter the environment.
Section 7 Handling and Storage
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion
and inhalation. Use only in a chemical fume hood.
Storage: Store in a cool, dry place. Store in a tightly closed container. Store under an inert atmosphere.
Section 8 Exposure Controls, Personal Protection
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and
a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure
Limits
CAS# 86840:
Personal Protective Equipment
Eyes: Wear chemical splash goggles.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN
149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure
limits are exceeded or if irritation or other symptoms are experienced.
Section 9 Physical and Chemical Properties
Physical State: Liquid
Color: clear colorless to yellow
Odor: characteristic odor pungent odor
pH: Not available
Vapor Pressure: 1.3hPa @137 deg C
Viscosity: Not available
Boiling Point: 269 270 deg C
Freezing/Melting Point: 4 deg C ( 39.20癋)
Autoignition Temperature: Not available
Flash Point: 135 deg C ( 275.00 deg F)
Explosion Limits: Lower: Not available
Explosion Limits: Upper: Not available
Decomposition Temperature: Not available
Solubility in water: Decomposes.
Specific Gravity/Density: 1.180
Molecular Formula: C11H7NO
Molecular Weight: 169.18
Section 10 Stability and Reactivity
Chemical Stability: Moisture sensitive.
Conditions to Avoid: Incompatible materials, light, exposure to moist air or water.
Incompatibilities with Other
Strong oxidizing agents, acids, strong bases, alcohols, amines.
Materials
Hazardous Decomposition Products Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon
dioxide.
Hazardous Polymerization Will not occur.
Section 11 Toxicological Information
RTECS#: CAS# 86840: None listed
LD50/LC50: RTECS: Not available. Other: Oral, rat: LD50 >2000 mg/kg
Carcinogenicity: 1Naphthyl isocyanate Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop
65.
Other: The toxicological properties have not been fully investigated.
Section 12 Ecological Information
Ecotoxicity: Fish: Leuciscus idus: LC50 = 200 mg/l 96H .
Other: Do not empty into drains.
Section 13 Disposal Considerations
Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 Transport Information
IATA IMO RID/ADR
Shipping ISOCYANATES, TOXIC, ISOCYANATES, TOXIC, ISOCYANATES, TOXIC,
Name: N.O.S.* N.O.S. N.O.S.
Hazard
6.1 6.1 6.1
Class:
UN Number: 2206 2206 2206
Packing
III III III
Group:
Section 15 Regulatory Information
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with skin and if swallowed.
R 36/37/38 Irritating to eyes, respiratory system and skin.
R 42 May cause sensitization by inhalation.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical
advice.
S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the
label where possible).
WGK (Water Danger/Protection)
CAS# 86840: 1
Canada
CAS# 86840 is listed on Canada's DSL List
US Federal
TSCA
CAS# 86840 is listed on the TSCA Inventory.
Section 16 Other Information
MSDS Creation Date: 7/16/1996
Revision #1 Date 3/03/2008
Revisions were made in Sections: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
The information above is believed to be accurate and represents the best information currently available to
us. However, we make no warranty of merchantibility or any other warranty, express or implied, with
respect to such information, and we assume no liability resulting from its use. Users should make their own
investigations to determine the suitability of the information for their particular purposes. In no event shall
the company be liable for any claims, losses, or damages of any third party or for lost profits or any
special, indirect, incidental, consequential, or exemplary damages howsoever arising, even if the company
has been advised of the possibility of such damages.
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